% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 89 51 6 34 39 38 45 113 99 136 242 280 237 203 283 281 221 209 197 257 294 285 259 247 166 267 396 333 173 273 130 136 158 255 161 125 168 113 157 119 51 110 125 166 84 142 103 97 93 125 60 56 70 72 99 54 63 58 64 34 82 68 43 56 55 14 59 44 48 -2 29 27 50 58 9 -20 35 -32 -12 16 31 12 -12 -29 -36 -8 -33 -30 25 -11 -23 -17 -29 -31 -39 -14 -19 -34 -28 -40 -25 24 -31 -19 -35 -24 25 -22 6 -31 -16 33 3 44 42 22 -31 22 18 -25 23 36 15 45 -25 -27 25 8